Right, seems the real issue here is that HR/recruiting misrouted the OP's resume, or perhaps the interviewer did not read it carefully, resulting in a negative

Right, seems the real issue here is that HR/recruiting misrouted the OP's resume, or perhaps the interviewer did not read it carefully, resulting in a negative experience for both. The real issue is that more senior engineers and managers need to be involved in earlier parts of the hiring process.